a book under the desk on the floor,on the floor修饰desk还是什么?

The books under the table a___English book a book under the desk on the floor,on the floor修饰desk还是什么? There's a book under the desk.还有There’s a tow balls behind the desk. Look!A girl is reading a book under the tree的同义句 The pen is under the book.就划线部分under the book提问 帮下忙啦 there is a book under the desk变一般疑问句和否定句 look!a boy is the tree（选know,under,you,be,book)选什么 found the book还是found a bookI looked under the bed and found ________ book I lost last week.A.a B.the there is a ruler on the pencil-box.thereis an English book under the pencil-box.改同义句Thepencil-box_____ _____ a ruler and an English book. The girl which is reading a book under the tree is my sister.这句知错在哪儿是否语法错误 I Looked under _ bed and found _ book I lost last week.Athe,a Bthe,the C/,the Dthe,/ 这怎么写啊?Your book is under the chair.Please ( ).A.pick it B.pick up it C.pickYour book is under the chair.Please ( ).A.pick it B.pick up it C.pick it up there is a ruler on the pencil box .there is an english book under it(同义句) you can't let your eyes across the lines of a book and come up with an under Your book is under the chair.PLease____.A pick it B pick up it C pick it up i am ( )a book under the tree 括号里填finding还是reading?能告诉我为什么吗？谢谢 _________ his book?It's under the desk.A.Where B.Where's C.What's D.Where are The boy took some money out of his ____ and bought a book.pocket tired by under nothing